| 释义 |
‖ septarium Geol.|sɛpˈtɛərɪəm|
Pl. -aria |-ˈɛərɪə|.
[mod.L., f. L. sēptum: see septum and -arium.]
1. A septal arrangement.
1785Hutton in Trans. Roy. Soc. Edinb. (1788) I. 246 The form of these iron-stones is that of an oblate or much compressed sphere... In the circular or horizontal section, they present the most elegant septarium.
2. A nodule of argillaceous limestone, ironstone, or the like, of which the parts near the centre are cracked, the spaces between being filled with some mineral: formerly much used for cement. (Cf. cement-stone, turtle-stone.)
1791E. Darwin Bot. Gard. i. Addit. Notes 39 The volcanic origin of these curious septaria. 1859R. Hunt Guide Mus. Pract. Geol. (ed. 2) 32 Great quantities of cement stones are at present procured by dredging off the coast of Hampshire for the septaria which have been derived from the Barton clay. 1909Athenæum 13 Mar. 314/3 The concretionary nodules of hard carbonate of lime, called ‘septaria’, which are found in the London clay. |